Partial Compilation listing follows. I can include build.log but it is enormous.[/list]

/bin/sh ../../../libtool --silent --tag=CC --mode=compile x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I../../.. -DDATADIR=\"/usr/share\" -I../../../libpurple -I../../../libpurple -I../../../pidgin -pthread -I/usr/include/evolution-data-server-3.6 -I/usr/include/nss -I/usr/include/nspr -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/gnome-keyring-1 -I/usr/include/libxml2 -I/usr/include/libsoup-2.4 -Wall -DPURPLE_DISABLE_DEPRECATED -DPIDGIN_DISABLE_DEPRECATED -DFINCH_DISABLE_DEPRECATED -DGNT_DISABLE_DEPRECATED -Waggregate-return -Wcast-align -Wdeclaration-after-statement -Wendif-labels -Werror-implicit-function-declaration -Wextra -Wno-sign-compare -Wno-unused-parameter -Wformat-security -Werror=format-security -Winit-self -Wmissing-declarations -Wmissing-noreturn -Wmissing-prototypes -Wpointer-arith -Wundef -Wp,-D_FORTIFY_SOURCE=2 -pthread -D_REENTRANT -DQT_SHARED -I/usr/include/gtk-2.0 -I/usr/lib64/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/directfb -I/usr/include/libpng15 -I/usr/include/qt4 -I/usr/include/qt4/QtGui -I/usr/include/libdrm -I/usr/include/qt4/QtCore -I/usr/include/harfbuzz -g -O2 -pipe -c -o new_person_dialog.lo new_person_dialog.c
In file included from gevolution.h:28:0,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-book.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from gevolution.h:28:0,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-book.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23:0,
from gevolution.h:28,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-contact.h:18:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23,
from gevolution.h:28,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-vcard.h:24:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24:0,
from gevolution.h:28,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-book-query.h:3:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-query.h:9:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24,
from gevolution.h:28,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25:0,
from gevolution.h:28,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-book-view.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-types.h:19:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:26:0,
from gevolution.h:28,
from assoc-buddy.c:29:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from gevolution.h:28:0,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-book.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
make[4]: *** [assoc-buddy.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
In file included from gevolution.h:28:0,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-book.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23:0,
from gevolution.h:28,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-contact.h:18:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23,
from gevolution.h:28,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-vcard.h:24:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24:0,
from gevolution.h:28,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-book-query.h:3:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-query.h:9:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24,
from gevolution.h:28,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25:0,
from gevolution.h:28,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-book-view.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-types.h:19:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:26:0,
from gevolution.h:28,
from gevo-util.c:26:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
gevo-util.c: In function 'gevo_load_addressbook':
gevo-util.c:134:3: error: implicit declaration of function 'e_book_new_system_addressbook'
gevo-util.c:134:9: warning: assignment makes pointer from integer without a cast
gevo-util.c:136:3: error: implicit declaration of function 'e_book_new_from_uri'
gevo-util.c:136:9: warning: assignment makes pointer from integer without a cast
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23:0,
from gevolution.h:28,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-contact.h:18:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23,
from gevolution.h:28,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-vcard.h:24:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24:0,
from gevolution.h:28,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-book-query.h:3:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-query.h:9:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24,
from gevolution.h:28,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25:0,
from gevolution.h:28,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-book-view.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-types.h:19:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:26:0,
from gevolution.h:28,
from add_buddy_dialog.c:28:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
make[4]: *** [gevo-util.lo] Error 1
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23:0,
from gevolution.h:28,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-contact.h:18:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23,
from gevolution.h:28,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-vcard.h:24:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24:0,
from gevolution.h:28,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-book-query.h:3:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-query.h:9:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24,
from gevolution.h:28,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25:0,
from gevolution.h:28,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-book-view.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-types.h:19:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:26:0,
from gevolution.h:28,
from gevolution.c:37:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from gevolution.h:28:0,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-book.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
make[4]: *** [add_buddy_dialog.lo] Error 1
make[4]: *** [gevolution.lo] Error 1
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23:0,
from gevolution.h:28,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-contact.h:18:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:23,
from gevolution.h:28,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-vcard.h:24:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24:0,
from gevolution.h:28,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-book-query.h:3:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-query.h:9:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:24,
from gevolution.h:28,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25:0,
from gevolution.h:28,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-book-view.h:12:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book-types.h:19:0,
from /usr/include/evolution-data-server-3.6/libebook/e-book-view.h:21,
from /usr/include/evolution-data-server-3.6/libebook/e-book.h:25,
from gevolution.h:28,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-contact.h:10:2: error: #error "Only <libebook/libebook.h> should be included directly."
In file included from /usr/include/evolution-data-server-3.6/libebook/e-book.h:26:0,
from gevolution.h:28,
from new_person_dialog.c:27:
/usr/include/evolution-data-server-3.6/libebook/e-book-types.h:13:2: error: #error "Only <libebook/libebook.h> should be included directly."
make[4]: *** [new_person_dialog.lo] Error 1
make[4]: Leaving directory `/var/tmp/portage/net-im/pidgin-2.10.6/work/pidgin-2.10.6/pidgin/plugins/gevolution'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/var/tmp/portage/net-im/pidgin-2.10.6/work/pidgin-2.10.6/pidgin/plugins'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/var/tmp/portage/net-im/pidgin-2.10.6/work/pidgin-2.10.6/pidgin'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/net-im/pidgin-2.10.6/work/pidgin-2.10.6'
make: *** [all] Error 2
* ERROR: net-im/pidgin-2.10.6 failed (compile phase):
* emake failed
*
* If you need support, post the output of `emerge --info '=net-im/pidgin-2.10.6'`,
* the complete build log and the output of ``.
* The complete build log is located at '/var/tmp/portage/net-im/pidgin-2.10.6/temp/build.log'.
* The ebuild environment file is located at '/var/tmp/portage/net-im/pidgin-2.10.6/temp/environment'.
* Working directory: '/var/tmp/portage/net-im/pidgin-2.10.6/work/pidgin-2.10.6'
* S: '/var/tmp/portage/net-im/pidgin-2.10.6/work/pidgin-2.10.6'

well if someone asks me disabling a functionality is not a solution but a workaround, however it does in fact seems as the only option for the time being (other than dowgrading EDS and probably other packages that depend on the version already)